F1857SD1600

Overview

The F1857SD1600 is a silicon SCR module from the Crydom F18 series, rated for 1.6 kV reverse voltage and 55 A on-state current. It integrates multiple SCRs in a series connection within a single chassis-mount package. The device features a forward voltage of 1.4 V and operates within a temperature range of -40°C to +125°C. Designed for high-power applications, it utilizes screw mounting for secure installation.

Feature Summary

• Integrates multiple SCRs in a series connection configuration
• Chassis mount design for robust mechanical stability
• Silicon technology construction

Applications

• High-voltage power control systems
• Industrial motor drives
• Power supply rectification circuits

Procurement Notes

Verify the specific datasheet version with Sensata-Crydom to confirm detailed thermal characteristics and mounting torque specifications. Ensure that the application environment supports the specified operating temperature range and that adequate heat sinking is provided for the 55A rating. Confirm compatibility with existing chassis mounting hardware before procurement.

Selection Notes

Select this module when high reverse voltage blocking capability combined with moderate current handling is required in a compact form factor. The series-connected SCR architecture makes it suitable for applications demanding higher voltage isolation than standard parallel configurations. Consider the chassis mount style for fixed installations requiring high mechanical integrity.

Part Context

This component belongs to the Crydom F18 series of discrete semiconductor modules manufactured by Sensata Technologies. The series offers various configurations including SCR-diode combinations and pure SCR modules. The F1857SD1600 specifically addresses needs for high-voltage AC power control where reliability and thermal performance are critical.

Replacement Considerations

Check for direct substitutes within the F18 series such as F1857SDK600 or F1857SDK1200 if lower voltage ratings are acceptable. Verify pinout and mounting hole dimensions against potential alternatives to ensure mechanical interchangeability without redesigning the host equipment.